With App Lock and Vault - LOCKit, your personal security is guaranteed. This free app is the best choice if you want to protect your privacy. You can use it to lock apps, photos, videos, and more. It’s a perfect tool for people who want to lock their personal data with a fingerprint, PIN, or pattern.

You can also secure your phone with a fingerprint, PIN, or pattern. It's easy to use and helps you protect your phone. If you don’t have any fingerprint, PIN, or pattern, you can use the password that you want. 
It's compatible with Android 5.0+. It requires hardware support for fingerprint recognition.